Why wait hours for a battery to charge only to ultimately find out it’s a bad battery and needs replacement?Īnd, coming in at No. 1 - CHECK CONNECTIONS A diagnostic charger stops the charging session if it determines the battery is not viable. Not only do diagnostic chargers charge batteries safely and quickly (in approximately 20-30 minutes), they also run continuous diagnostics while charging. If the test results in a "charge and retest" decision, the best course of action is to charge the battery with a diagnostic charger, like the Midtronics GR8 or GRX.
Vehicles with keyless ignition may stay awake if the key fob is nearby, so make sure that is not a potential factor as well.Ī Surface Charge error happens if a higher than normal or unstable voltage level is detected, and can occur if a battery was recently charged or if the vehicle had been running and was just turned off. Allow several minutes for all electronics modules in newer vehicles to go to sleep. Remove the key from the ignition and make sure doors and the hatch/trunk lid have been closed for a few minutes. Before testing the battery, turn off the engine and all loads, such as A/C, headlights, etc. 3 – TIE: SYSTEM NOISE & SURFACE CHARGE ERRORSĪ System Noise error message occurs when the tester detects a load or current in the system.
Save some time and learn how you may be able to remedy these common battery testing issues on your own. Calls to Midtronics Customer Service often fall into one of three categories.